TCP SYN (p0f)

4:107+21:0:1436:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0

first seen 2026-06-27 13:32 · last seen 2026-06-27 13:32 · JSON

Decomposed attributes

IP version4
Initial TTL107+21
Options length0
MSS1436
Window sizemss*44
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
Quirksdf,id+,ecn
Payload class0

Co-observed signals

Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.

TLS ClientHello (JA4)

fingerprintco-occurrences
t12d210700_76e208dd3e22_f28add8e7af02

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn030000_123ab5865d12_000000000000_0000000000001
ge11nn020000_c6076a4e9dc7_000000000000_0000000000001

Country

fingerprintco-occurrences
NL · Netherlands2

Network (ASN)

fingerprintco-occurrences
AS202412 · Omegatech LTD2